12846434735537 has 8 divisors (see below), whose sum is σ = 13834730329896. Its totient is φ = 11858154613632.

The previous prime is 12846434735527. The next prime is 12846434735549. The reversal of 12846434735537 is 73553743464821.

It can be written as a sum of positive squares in 4 ways, for example, as 2718198500416 + 10128236235121 = 1648696^2 + 3182489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12846434735537 - 2²⁴ = 12846417958321 is a prime.

It is a super-2 number, since 2×12846434735537² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12846434735537.

It is not an unprimeable number, because it can be changed into a prime (12846434735527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2114228 + ... + 5492069.

It is an arithmetic number, because the mean of its divisors is an integer number (1729341291237).

Almost surely, 2^{12846434735537} is an apocalyptic number.

It is an amenable number.

12846434735537 is a deficient number, since it is larger than the sum of its proper divisors (988295594359).

12846434735537 is a wasteful number, since it uses less digits than its factorization.

12846434735537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7736227.

The product of its digits is 203212800, while the sum is 62.

The spelling of 12846434735537 in words is "twelve trillion, eight hundred forty-six billion, four hundred thirty-four million, seven hundred thirty-five thousand, five hundred thirty-seven".